Hinged dental tray



FIG. 1 is a top plan view of a hinged dental tray in an open condition, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevation thereof; the opposite side is a mirror image of the side shown;

FIG. 4 is an end elevation thereof; the opposite end is a mirror image of the end shown;

FIG. 5 is a top plan view of the dental tray in a closed position;

FIG. 6 is a side elevation view thereof;

FIG. 7 is a front end elevation thereof; and

FIG. 8 is an end elevation thereof. 

The ornamental design for a hinged dental tray, substantially as shown and described. 